[Bug 1245473] Re: Binding ctrl+shift, alt+shift, etc for switching keyboard layout makes shortcuts with ctrl+shift, etc not working in any program

[Alexei Kharchev]

there is solution
Add this repository to sources.list.d
deb http://ppa.launchpad.net/nrbrtx/xorg-hotkeys/ubuntu focal main

I wrote this comment to Linux Mint forum too

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Title:
  Binding ctrl+shift, alt+shift, etc for switching keyboard layout makes
  shortcuts with ctrl+shift, etc not working in any program

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